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path: root/drivers/hid/hid-input.c
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Diffstat (limited to 'drivers/hid/hid-input.c')
-rw-r--r--drivers/hid/hid-input.c36
1 files changed, 34 insertions, 2 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 3a93cf04147d..796930ac18f8 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -480,7 +480,7 @@ static int hidinput_get_battery_property(struct power_supply *psy,
if (dev->battery_status == HID_BATTERY_UNKNOWN)
val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
else
- val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
+ val->intval = dev->battery_charge_status;
break;
case POWER_SUPPLY_PROP_SCOPE:
@@ -548,6 +548,7 @@ static int hidinput_setup_battery(struct hid_device *dev, unsigned report_type,
dev->battery_max = max;
dev->battery_report_type = report_type;
dev->battery_report_id = field->report->id;
+ dev->battery_charge_status = POWER_SUPPLY_STATUS_DISCHARGING;
/*
* Stylus is normally not connected to the device and thus we
@@ -614,6 +615,20 @@ static void hidinput_update_battery(struct hid_device *dev, int value)
power_supply_changed(dev->battery);
}
}
+
+static bool hidinput_set_battery_charge_status(struct hid_device *dev,
+ unsigned int usage, int value)
+{
+ switch (usage) {
+ case HID_BAT_CHARGING:
+ dev->battery_charge_status = value ?
+ POWER_SUPPLY_STATUS_CHARGING :
+ POWER_SUPPLY_STATUS_DISCHARGING;
+ return true;
+ }
+
+ return false;
+}
#else /* !CONFIG_HID_BATTERY_STRENGTH */
static int hidinput_setup_battery(struct hid_device *dev, unsigned report_type,
struct hid_field *field, bool is_percentage)
@@ -628,6 +643,12 @@ static void hidinput_cleanup_battery(struct hid_device *dev)
static void hidinput_update_battery(struct hid_device *dev, int value)
{
}
+
+static bool hidinput_set_battery_charge_status(struct hid_device *dev,
+ unsigned int usage, int value)
+{
+ return false;
+}
#endif /* CONFIG_HID_BATTERY_STRENGTH */
static bool hidinput_field_in_collection(struct hid_device *device, struct hid_field *field,
@@ -1217,6 +1238,9 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
hidinput_setup_battery(device, HID_INPUT_REPORT, field, true);
usage->type = EV_PWR;
return;
+ case HID_BAT_CHARGING:
+ usage->type = EV_PWR;
+ return;
}
goto unknown;
@@ -1459,7 +1483,11 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
return;
if (usage->type == EV_PWR) {
- hidinput_update_battery(hid, value);
+ bool handled = hidinput_set_battery_charge_status(hid, usage->hid, value);
+
+ if (!handled)
+ hidinput_update_battery(hid, value);
+
return;
}
@@ -2315,3 +2343,7 @@ void hidinput_disconnect(struct hid_device *hid)
cancel_work_sync(&hid->led_work);
}
EXPORT_SYMBOL_GPL(hidinput_disconnect);
+
+#ifdef CONFIG_HID_KUNIT_TEST
+#include "hid-input-test.c"
+#endif